Bone screw



FIG. 1 is a perspective view of a bone screw in accordance with thepresent invention.

FIG. 2 is a perspective view of the bone screw of FIG. 1.

FIG. 3 is an elevational view a first side of the bone screw of FIG. 1.

FIG. 4 is an elevational view of a second side of the bone screw of FIG.1.

FIG. 5 is a plan view of a proximal end of the bone screw of FIG. 1;and,

FIG. 6 is a plan view of a distal end of the bone screw of FIG. 1.

The broken line showing is included for the purpose of illustratingunclaimed subject matter and forms no part of the claimed design.

CLAIM The ornamental design for a bone screw, as shown and describedherein.